Diffusion of Carbon through Zirconium Monocarbide
- 15 March 1967
- journal article
- research article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 38 (4), 1794-1798
- https://doi.org/10.1063/1.1709762
Abstract
The diffusion coefficients of carbon in single and polycrystalline ZrC have been measured in the temperature range 1350°–2150°C, using radioactive tracer techniques. Volume and short‐circuit enhanced tracer diffusion coefficients are represented by the expressions D*=1.32×102 exp (−113 200/RT) cm2/sec and D*=1.6 exp (−90 000/RT) cm2/sec, respectively. The results are compared with apparent diffusion coefficients determined from existing carburization and high‐temperature creep data.Keywords
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